ITU G.812:2004
ITU G.812:2004 Timing Requirements Of Slave Clocks Suitable For Use As Node Clocks In Synchronization Networks Gives minimum requirements for timing devices that are used as node clocks in synchronization networks.
Table of Contents
1Scope2Nodeclocktypesandapplications
2.1Synchronizationnetworkconsiderations
2.2Node-clocktypesandapplications
3References
4Definitions
5Abbreviations
6Frequencyaccuracy
7Pull-in,hold-in,andpull-outranges
8Noisegeneration
8.1Wanderinlockedmode
8.2Non-lockedwander
8.3Jitter
9Noisetolerance
9.1Wandertolerance
9.2Jittertolerance
10Noisetransfer
11Transientresponseandhold-overperformance
11.1Short-termphasetransientresponse
11.2Long-termphasetransientresponse(hold-over)
11.3Phaseresponsetoinputsignalinterruptions
11.4Phasediscontinuity
12Interfaces
AnnexA-SpecificationsforTypesIV,VandVIclocks
A.1Frequencyaccuracy
A.2Pull-in,Hold-inandpull-outranges
A.3Noisegeneration
A.4Noisetolerance
A.5Noisetransfer
A.6Transientresponseandhold-overperformance
A.7Interfaces
AppendixI-RelationshipbetweenTDEVandpowerspectral
density
AppendixII-Measurementmethodfornoisetransfer
II.1Measurementset-up
II.2FunctionalmodelofTDEVnoisegenerator